/*
 * Copyright (c) 2011-2017 Pivotal Software Inc, All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package reactor.util.function;

import java.util.Objects;

import reactor.util.annotation.NonNull;
import reactor.util.annotation.Nullable;

/**
 * A tuple that holds six values
 *
 * @param <T1> The type of the first value held by this tuple
 * @param <T2> The type of the second value held by this tuple
 * @param <T3> The type of the third value held by this tuple
 * @param <T4> The type of the fourth value held by this tuple
 * @param <T5> The type of the fifth value held by this tuple
 * @param <T6> The type of the sixth value held by this tuple
 * @author Jon Brisbin
 * @author Stephane Maldini
 */
public class Tuple6<T1, T2, T3, T4, T5, T6> extends Tuple5<T1, T2, T3, T4, T5> {

	private static final long serialVersionUID = 770306356087176830L;

	@NonNull final T6 t6;

	Tuple6(T1 t1, T2 t2, T3 t3, T4 t4, T5 t5, T6 t6) {
		super(t1, t2, t3, t4, t5);
		this.t6 = Objects.requireNonNull(t6, "t6");
	}

	/**
	 * Type-safe way to get the sixth object of this {@link Tuples}.
	 *
	 * @return The sixth object
	 */
	public T6 getT6() {
		return t6;
	}

	@Nullable
	@Override
	public Object get(int index) {
		switch (index) {
			case 0:
				return t1;
			case 1:
				return t2;
			case 2:
				return t3;
			case 3:
				return t4;
			case 4:
				return t5;
			case 5:
				return t6;
			default:
				return null;
		}
	}

	@Override
	public Object[] toArray() {
		return new Object[]{t1, t2, t3, t4, t5, t6};
	}

	@Override
	public boolean equals(@Nullable Object o) {
		if (this == o) return true;
		if (!(o instanceof Tuple6)) return false;
		if (!super.equals(o)) return false;

		@SuppressWarnings("rawtypes")
        Tuple6 tuple6 = (Tuple6) o;

		return t6.equals(tuple6.t6);

	}

	@Override
	public int hashCode() {
		int result = super.hashCode();
		result = 31 * result + t6.hashCode();
		return result;
	}

	@Override
	public int size() {
		return 6;
	}
}
